Member Directory The AAS maintains a membership directory to facilitate member interaction and to support the conduct of official Society business. Search directory for: Filter Results By Clear Filters Type of Science Solar System/Planetary Sci (36) Galaxy Formation & Evolu (34) Star Formation & Evolu (30) Astronomy Educa (25) Cosmo (23) Exopla (20) Galactic Structure & Stellar Populat (20) Active Galactic Nu (19) Clusters of Galaxies/Large-scale Struc (17) Interstellar Me (15) GRBs (11) High-Energy Pheno (11) Supernovae (11) Astrobio (10) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division